Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 916 · 40 questions

Memory tip (Fewer, bigger pieces): Split long numbers into groups of 3 or 4: a 10-digit phone number as 3-3-4; a 12-digit number as 4-4-4. Dates: 2 digits for the day, 2 for the month, 4 for the year: 26011950 → 26/01/1950. Check every digit stays in the same order — chunks group digits, they never change them.

1. 1.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
2. 2.📅 The digits 18111993 are a date: day, month, year. Which chunking shows the date? (a) 181/119/93 (b) 18/1119/93 (c) 1811/19/93 (d) 18/11/1993
3. 3.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.🔢 What is chunking? (a) writing it twice (b) reading very fast (c) saying it backwards (d) splitting into groups
5. 5.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
6. 6.🔢 Chunking works for… (a) numbers and letter lists (b) only pictures (c) only numbers (d) nothing at all
7. 7.🔢 You want to remember the number 8663290345. Which chunked version keeps every digit in the same order? (a) 866 632 90345 (b) 866 329 034 (c) 866 329 0354 (d) 866 329 0345
8. 8.📅 The digits 20041959 are a date: day, month, year. Which chunking shows the date? (a) 200/419/59 (b) 20/04/1959 (c) 2004/19/59 (d) 20/0419/59
9. 9.🔢 You want to remember the number 6004890992. Which chunked version keeps every digit in the same order? (a) 600 489 00992 (b) 600 489 0992 (c) 600 489 092 (d) 600 489 9092
10. 10.🔢 You want to remember the number 739737385. Which chunked version keeps every digit in the same order? (a) 739 373 85 (b) 773 973 7385 (c) 379 737 385 (d) 739 737 385
11. 11.🔢 You want to remember the number 677738350. Which chunked version keeps every digit in the same order? (a) 677 738 350 (b) 677 378 350 (c) 677 738 8350 (d) 677 733 50
12. 12.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
13. 13.🔢 You want to remember the number 212498768. Which chunked version keeps every digit in the same order? (a) 211 249 8768 (b) 212 498 768 (c) 212 987 68 (d) 212 498 786
14. 14.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) changes daily (d) means something to you
15. 15.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 19 and 47 (c) 194 and 7 (d) 1 9 4 7
16. 16.🔢 You want to remember the number 3203908868. Which chunked version keeps every digit in the same order? (a) 320 390 8868 (b) 320 390 88868 (c) 320 390 888 (d) 323 090 8868
17. 17.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
18. 18.📅 The digits 13022008 are a date: day, month, year. Which chunking shows the date? (a) 1302/20/08 (b) 13/02/2008 (c) 130/220/08 (d) 13/0220/08
19. 19.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
20. 20.📅 The digits 20091969 are a date: day, month, year. Which chunking shows the date? (a) 20/0919/69 (b) 2009/19/69 (c) 20/09/1969 (d) 200/919/69
21. 21.🔢 You want to remember the number 320473036. Which chunked version keeps every digit in the same order? (a) 320 473 036 (b) 320 470 36 (c) 320 470 336 (d) 320 473 3036
22. 22.📅 The digits 16052025 are a date: day, month, year. Which chunking shows the date? (a) 160/520/25 (b) 16/05/2025 (c) 1605/20/25 (d) 16/0520/25
23. 23.🔢 You want to remember the number 5137028408. Which chunked version keeps every digit in the same order? (a) 137 028 408 (b) 513 700 28408 (c) 513 702 8408 (d) 517 302 8408
24. 24.🔢 You want to remember the number 137733910059. Which chunked version keeps every digit in the same order? (a) 1373 7391 0059 (b) 1337 7339 10059 (c) 1377 3391 0059 (d) 1377 3310 059
25. 25.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
26. 26.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) it has fewer digits (d) three chunks, not ten
27. 27.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
28. 28.📅 The digits 24112022 are a date: day, month, year. Which chunking shows the date? (a) 241/120/22 (b) 24/1120/22 (c) 2411/20/22 (d) 24/11/2022
29. 29.🔢 You want to remember the number 407760639455. Which chunked version keeps every digit in the same order? (a) 4077 6063 9455 (b) 4077 6063 94555 (c) 4077 6036 9455 (d) 0776 0639 455
30. 30.📅 The digits 18051958 are a date: day, month, year. Which chunking shows the date? (a) 1805/19/58 (b) 18/05/1958 (c) 18/0519/58 (d) 180/519/58
31. 31.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
32. 32.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
33. 33.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.🔢 You want to remember the number 1174316824. Which chunked version keeps every digit in the same order? (a) 111 743 16824 (b) 117 431 6824 (c) 117 341 6824 (d) 117 431 684
35. 35.🔢 You want to remember the number 2174868714. Which chunked version keeps every digit in the same order? (a) 127 486 8714 (b) 217 486 871 (c) 217 486 8714 (d) 221 748 68714
36. 36.🔢 You want to remember the number 2177034951. Which chunked version keeps every digit in the same order? (a) 217 770 34951 (b) 127 703 4951 (c) 217 703 451 (d) 217 703 4951
37. 37.🔢 You want to remember the number 5601455654. Which chunked version keeps every digit in the same order? (a) 560 154 5654 (b) 560 145 56544 (c) 560 455 654 (d) 560 145 5654
38. 38.📅 The digits 21011976 are a date: day, month, year. Which chunking shows the date? (a) 210/119/76 (b) 2101/19/76 (c) 21/0119/76 (d) 21/01/1976
39. 39.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
40. 40.📅 The digits 17102023 are a date: day, month, year. Which chunking shows the date? (a) 17/10/2023 (b) 171/020/23 (c) 1710/20/23 (d) 17/1020/23

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